/* BSC Associates: additions for the Bibliography and Patents pages (loaded after styles.css) */

/* Navigation: seven items need a little more room, so collapse to the menu button earlier */
@media (max-width: 1080px) and (min-width: 781px) {
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 0.9rem; }
}
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 16px;
    display: none;
    z-index: 20;
  }
  .nav-links[data-open="true"] { display: flex; }
  .nav-links li { width: 100%; border-top: 1px solid var(--line); }
  .nav-links a { padding: 14px 0; display: block; }
  .nav-links .nav-cta { margin-top: 10px; text-align: center; }
}

/* Subject contents */
.subject-toc {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}
.subject-toc a {
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold-dark);
  text-decoration: none;
  font-family: var(--display);
  color: var(--navy);
  font-size: 1rem;
  line-height: 1.3;
}
.subject-toc a:hover { background: var(--paper-2); }
.toc-count { color: var(--muted); font-size: 0.85rem; }

.view-switch { display: inline-flex; border: 1px solid var(--navy); margin-bottom: 8px; }
.view-btn {
  font-family: var(--display); font-size: 0.9rem;
  padding: 8px 16px; border: 0; cursor: pointer;
  background: transparent; color: var(--navy);
}
.view-btn[aria-pressed="true"] { background: var(--navy); color: var(--paper); }

.subject { padding-top: 40px; scroll-margin-top: 90px; }
.subject h2 { padding-bottom: 10px; border-bottom: 2px solid var(--gold-dark); display: inline-block; }
.subject-intro { color: var(--muted); max-width: 70ch; margin: 0 0 12px; }
#by-date h2 { margin-top: 40px; }

.bib .ref-list > li { grid-template-columns: 56px minmax(0, 1fr); }
.bib .ref-title a { color: var(--navy); text-decoration: none; border-bottom: 1px solid var(--line); }
.bib .ref-title a:hover { border-bottom-color: var(--gold-dark); }
.bib .ref-meta { display: block; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.chip {
  font-family: var(--display); font-size: 0.78rem; letter-spacing: 0.02em;
  padding: 3px 9px; border: 1px solid var(--line); background: var(--white);
  color: var(--navy); text-decoration: none; white-space: nowrap;
}
a.chip:hover { border-color: var(--gold-dark); color: var(--gold-dark); }
.chip-ext::after { content: " \2197"; }
.chip-none { color: var(--muted); background: transparent; border-style: dashed; }

.bib-note { margin-top: 2.5em; color: var(--muted); font-size: 0.95rem; max-width: 75ch; }

/* Home page: published-record panel (replaces the second portrait) */
.record-panel {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold-dark);
  padding: clamp(24px, 4vw, 40px);
  align-self: center;
}
.record-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 18px; }
.record-stats a { text-decoration: none; display: block; }
.record-stats .stat-num { display: block; font-size: clamp(2rem, 4vw, 2.8rem); color: var(--navy); line-height: 1.1; }
.record-stats .stat-label { display: block; color: var(--muted); opacity: 1; font-size: 0.92rem; line-height: 1.35; margin-top: 4px; }

/* About page: links to the two new pages */
.record-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 1000px) and (min-width: 761px) { .record-links { grid-template-columns: 1fr 1fr; } }
.record-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 28px; background: var(--white); border: 1px solid var(--line);
  border-top: 3px solid var(--gold-dark);
  text-decoration: none; color: var(--ink);
}
.record-card strong { font-family: var(--display); font-weight: 500; font-size: 1.35rem; color: var(--navy); }
.record-card { box-shadow: 0 2px 10px rgba(13, 27, 42, 0.08); transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; cursor: pointer; }
.record-card .rc-desc { color: var(--muted); font-size: 0.95rem; flex-grow: 1; }
.record-card .rc-go { margin-top: 10px; align-self: flex-start; font-family: var(--display); font-weight: 600; font-size: 0.95rem; color: var(--white); background: var(--navy); padding: 9px 16px; }
.record-card:hover, .record-card:focus-visible { border-color: var(--gold-dark); transform: translateY(-3px); box-shadow: 0 8px 22px rgba(13, 27, 42, 0.16); }
.record-card:hover .rc-go { background: var(--gold-dark); }
@media (max-width: 760px) { .record-links { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .record-stats { grid-template-columns: 1fr; } }
.section.bib { padding-top: clamp(40px, 5vw, 64px); }

/* Privacy notice */
.prose > * { max-width: 780px; }
.prose h2 { font-size: 1.5rem; margin-top: 1.6em; }
.prose h3 { font-size: 1.1rem; margin-top: 1.2em; }
.prose ul.plain { margin: 0 0 1em; padding-left: 1.2em; }
.prose ul.plain li { margin-bottom: 4px; }
.footer-base a { color: rgba(250, 247, 240, 0.75); text-decoration: underline; text-underline-offset: 3px; }

/* GNSS antennas page */
.gnss-movie { background: #0d1b2a; padding: clamp(28px, 4vw, 56px) 0; }
.gnss-movie figure { margin: 0 auto; width: min(100%, 820px, 78vh); }
.gnss-movie video { width: 100%; height: auto; display: block; border-radius: 2px; }
.gnss-movie figcaption { color: rgba(250, 247, 240, 0.75); font-size: 0.92rem; line-height: 1.5; margin-top: 12px; }
.gnss-text p { max-width: 75ch; }
.gnss-alt { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.gnss-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.gnss-split p { max-width: 60ch; }
.gnss-photo { margin: 0; }
.gnss-photo img { width: 100%; max-height: 560px; object-fit: contain; display: block; }
.sim-figs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 28px; }
.sim-figs figure { margin: 0; }
.sim-figs img { width: 100%; height: auto; display: block; border: 1px solid var(--line); background: #e9ebef; }
.sim-figs figcaption, .field figcaption { color: var(--muted); font-size: 0.9rem; line-height: 1.45; margin-top: 8px; }
@media (max-width: 860px) {
  .gnss-split { grid-template-columns: 1fr; }
  .gnss-split-rev > div { order: 2; }
}
@media (max-width: 560px) { .sim-figs { grid-template-columns: 1fr; } }

/* Fifty years in the field: rows of equal-height photos */
.field-grid { margin-top: 20px; }
.jrow { display: flex; gap: 24px; margin-bottom: 36px; align-items: flex-start; }
.jrow figure { flex-basis: 0; flex-shrink: 1; margin: 0; min-width: 0; }
.jrow img { width: 100%; height: auto; display: block; }
.field-date { display: inline-block; font-family: var(--display); font-weight: 600; color: var(--navy); margin-right: 8px; }
.field-h2 { margin-top: 1.6em; }
@media (max-width: 700px) {
  .jrow { flex-direction: column; gap: 28px; margin-bottom: 28px; }
  .jrow figure { flex: none; width: 100%; }
}

/* About: worldwide experience, compact four-column grid */
.world { background: var(--paper-2); border-top: 1px solid var(--line); }
.world .countries { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; background: transparent; }
.world .country { padding: 10px 14px; border: 1px solid var(--line); }
.world .c-name { font-weight: 600; color: var(--navy); font-size: 0.98rem; }
.world .c-act { color: var(--muted); font-size: 0.85rem; line-height: 1.35; margin-top: 2px; }
.world-more { margin-top: 1.2em; color: var(--muted); font-size: 0.92rem; max-width: 90ch; }
@media (max-width: 960px) { .world .countries { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 700px) { .world .countries { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 420px) { .world .countries { grid-template-columns: 1fr; } }

/* Services: GNSS promo panel */
.gnss-promo { background: #0d1b2a; color: var(--paper); }
.gnss-promo h2 { color: var(--paper); }
.gnss-promo .lede { color: rgba(250, 247, 240, 0.8); margin-bottom: 1.2em; }
.gnss-promo-grid { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: center; }
.gnss-promo-img img { width: 100%; height: auto; display: block; }
@media (max-width: 700px) { .gnss-promo-grid { grid-template-columns: 1fr; } .gnss-promo-img { max-width: 260px; } }
.gnss-promo .eyebrow { color: var(--gold); }
.gnss-promo .btn { background: var(--gold); border-color: var(--gold); color: var(--navy); }

/* Home: stacked section heading (headline full width, lede beneath) */
.section-head.stacked { display: block; }
.section-head.stacked h2 { max-width: 30ch; }
.section-head.stacked .lede { margin-top: 0.8em; max-width: 70ch; }

/* Tools: link budget calculator */
.lb { font-size: 1.08rem; }
.lb-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: start; }
.lb-colhead { margin-bottom: 18px; }
.lb-colhead h2 { margin: 0; font-size: 1.6rem; }
.lb-colhead p { margin: 2px 0 0; color: var(--muted); font-size: 0.95rem; }
.lb-group { margin-bottom: 22px; }
.lb-group h3 { margin: 0 0 8px; font-size: 1.15rem; color: var(--navy); }
.lb-box { background: var(--white); border: 1px solid var(--line); padding: 14px 18px 6px; }
.lb-inputs label { display: grid; grid-template-columns: minmax(0, 1fr) 64px 130px; align-items: center; gap: 10px; font-size: 1.05rem; margin-bottom: 10px; }
.lb-inputs label[hidden] { display: none; }
.lb-inputs .u { color: var(--muted); font-size: 0.95rem; text-align: right; }
.lb-inputs input[type=number], .lb-inputs select { width: 100%; padding: 7px 9px; border: 1px solid #9aa7b6; border-radius: 3px; font: inherit; font-size: 1.05rem; background: #fffdf3; color: var(--ink); }
.lb-inputs input[type=number]:focus, .lb-inputs select:focus { outline: 2px solid var(--gold-dark); outline-offset: 1px; }
.lb-inputs .u-sel { padding: 6px 4px; font-size: 0.95rem; }
.lb-inputs label:has(#model) { grid-template-columns: minmax(0, 1fr); }
.lb-radio { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.lb-radio label { display: flex; gap: 8px; margin: 0; }
.lb-results { position: sticky; top: 96px; background: #eef3f9; border: 1px solid #c9d6e6; padding: 22px 24px; }
.lb-headline { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; padding-bottom: 16px; border-bottom: 2px solid #c9d6e6; }
.lb-big { display: block; font-family: var(--display); font-size: clamp(1.8rem, 3vw, 2.4rem); color: var(--navy); line-height: 1.1; }
.lb-big.ok { color: #1f7a3a; }
.lb-big.bad { color: #b3261e; }
.lb-lab { display: block; color: var(--muted); font-size: 0.92rem; margin-top: 4px; }
.lb-table { width: 100%; border-collapse: collapse; font-size: 1.02rem; }
.lb-table th { text-align: left; font-weight: normal; padding: 6px 10px 6px 0; border-bottom: 1px solid #d5e0ec; }
.lb-table td { text-align: right; padding: 6px 0; border-bottom: 1px solid #d5e0ec; font-variant-numeric: tabular-nums; white-space: nowrap; }
.lb-table .lb-key th, .lb-table .lb-key td { font-weight: 700; color: var(--navy); }
.lb-table .lb-note-row td { text-align: left; color: var(--muted); font-size: 0.88rem; white-space: normal; padding-top: 0; }
.lb-assume { color: var(--muted); font-size: 0.92rem; margin-top: 14px; }
.lb-explain { background: var(--paper-2); border-bottom: 1px solid var(--line); }
.lb-explain p { font-size: 1.05rem; }
@media (max-width: 900px) { .lb-grid { grid-template-columns: 1fr; } .lb-results { position: static; } }
@media (max-width: 460px) { .lb-inputs label { grid-template-columns: minmax(0, 1fr) 58px 100px; font-size: 1rem; } }

/* Services: tools promo */
.tools-promo { background: var(--paper-2); border-bottom: 1px solid var(--line); }
.tools-promo-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; }
.tools-promo .lede { max-width: 70ch; }
@media (max-width: 700px) { .tools-promo-grid { grid-template-columns: 1fr; } }